Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(IDEAS.Fluid.Movers.Examples.ClosedLoop_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y") translateModel(IDEAS.Fluid.Movers.Examples.ClosedLoop_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001693/0.001693, allocations: 103 kB / 16.36 MB, free: 6.336 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00175/0.00175, allocations: 198.3 kB / 17.3 MB, free: 5.883 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.387/1.387, allocations: 222.9 MB / 241 MB, free: 15.17 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7764/0.7764, allocations: 132.2 MB / 423.3 MB, free: 6.605 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001246/0.001246, allocations: 60.14 kB / 0.5032 GB, free: 10.96 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3836/0.3848, allocations: 80.18 MB / 0.5815 GB, free: 27.59 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Examples.ClosedLoop_y): time 0.5738/0.9587, allocations: 205.6 MB / 0.7823 GB, free: 1.578 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.02033/0.9791, allocations: 13.57 MB / 0.7956 GB, free: 1.398 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003155/0.9823, allocations: 53.62 kB / 0.7956 GB, free: 1.398 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.002612/0.9849, allocations: 0.9402 MB / 0.7965 GB, free: 1.375 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.00668/0.9916, allocations: 2.48 MB / 0.7989 GB, free: 1.27 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.004019/0.9957, allocations: 1.566 MB / 0.8005 GB, free: 1.238 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.004962/1.001, allocations: 3.653 MB / 0.804 GB, free: 1.219 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002437/1.003, allocations: 1.389 MB / 0.8054 GB, free: 1.066 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004123/1.007, allocations: 1.966 MB / 0.8073 GB, free: 1.039 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002479/1.01, allocations: 1.139 MB / 0.8084 GB, free: 0.9062 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0004858/1.01, allocations: 158.4 kB / 0.8086 GB, free: 0.9062 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004979/1.015, allocations: 2.403 MB / 0.8109 GB, free: 0.8828 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0009075/1.016, allocations: 0.5805 MB / 0.8115 GB, free: 0.8164 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.001777/1.018, allocations: 0.9026 MB / 0.8124 GB, free: 0.5586 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.006771/1.025, allocations: 3.286 MB / 0.8156 GB, free: 172 kB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 4.89e-06/1.025, allocations: 0.875 kB / 0.8156 GB, free: 172 kB / 0.5762 GB Notification: Performance of FrontEnd: time 2.003e-06/1.025, allocations: 0 / 0.8156 GB, free: 172 kB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.000109/1.025, allocations: 0 / 0.8156 GB, free: 172 kB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 242 * Number of variables: 242 Notification: Performance of Generate backend data structure: time 0.006232/1.031, allocations: 2.182 MB / 0.8177 GB, free: 15.04 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.744e-05/1.031, allocations: 12.41 kB / 0.8177 GB, free: 15.04 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002971/1.034, allocations: 442 kB / 0.8181 GB, free: 14.95 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003108/1.037, allocations: 1.379 MB / 0.8195 GB, free: 14.52 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.334e-05/1.037, allocations: 77.94 kB / 0.8196 GB, free: 14.52 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001701/1.038, allocations: 105.2 kB / 0.8197 GB, free: 14.52 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001908/1.039, allocations: 1.149 MB / 0.8208 GB, free: 14.38 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.515e-05/1.039, allocations: 0.9062 kB / 0.8208 GB, free: 14.38 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.095e-05/1.04, allocations: 38.88 kB / 0.8208 GB, free: 14.38 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.755e-05/1.04, allocations: 41.05 kB / 0.8209 GB, free: 14.38 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001616/1.041, allocations: 0.8724 MB / 0.8217 GB, free: 14.37 MB / 0.5919 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00628/1.048, allocations: 4.926 MB / 0.8265 GB, free: 10.84 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00165/1.049, allocations: 0.7163 MB / 0.8272 GB, free: 10.48 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008056/1.05, allocations: 410.1 kB / 0.8276 GB, free: 10.29 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002101/1.05, allocations: 104.4 kB / 0.8277 GB, free: 10.19 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009001/1.051, allocations: 457 kB / 0.8282 GB, free: 9.914 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=67): time 3.056e-06/1.051, allocations: 0 / 0.8282 GB, free: 9.914 MB / 0.5919 GB Notification: Performance of matching and sorting (n=67): time 0.003017/1.054, allocations: 1.199 MB / 0.8293 GB, free: 9.27 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.615e-05/1.054, allocations: 59.38 kB / 0.8294 GB, free: 9.207 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001506/1.056, allocations: 1.175 MB / 0.8305 GB, free: 8.555 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 9.159e-05/1.056, allocations: 48.39 kB / 0.8306 GB, free: 8.508 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005918/1.056, allocations: 0.6636 MB / 0.8312 GB, free: 7.93 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.000239/1.057, allocations: 235 kB / 0.8314 GB, free: 7.73 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000289/1.057, allocations: 176.9 kB / 0.8316 GB, free: 7.629 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001399/1.057, allocations: 339 kB / 0.8319 GB, free: 7.301 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007204/1.058, allocations: 374.9 kB / 0.8323 GB, free: 7.113 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008854/1.059, allocations: 0.6034 MB / 0.8329 GB, free: 6.637 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001616/1.06, allocations: 0.9655 MB / 0.8338 GB, free: 6.012 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.02e-06/1.06, allocations: 2.719 kB / 0.8338 GB, free: 6.012 MB / 0.5919 GB Notification: Performance of matching and sorting (n=103) (initialization): time 0.002214/1.063, allocations: 1.21 MB / 0.835 GB, free: 5.41 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 5.444e-05/1.063, allocations: 37.22 kB / 0.835 GB, free: 5.375 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.154e-05/1.063, allocations: 6.375 kB / 0.8351 GB, free: 5.375 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004759/1.063, allocations: 121 kB / 0.8352 GB, free: 5.32 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008702/1.064, allocations: 203.4 kB / 0.8354 GB, free: 5.277 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008091/1.065, allocations: 1.214 MB / 0.8366 GB, free: 4.102 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009935/1.066, allocations: 93.78 kB / 0.8366 GB, free: 4.039 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.074e-05/1.066, allocations: 46.86 kB / 0.8367 GB, free: 4.027 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001117/1.067, allocations: 0.6398 MB / 0.8373 GB, free: 3.641 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009889/1.068, allocations: 0.5593 MB / 0.8379 GB, free: 3.188 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001366/1.07, allocations: 0.8979 MB / 0.8387 GB, free: 2.594 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.569e-06/1.07, allocations: 2.406 kB / 0.8387 GB, free: 2.594 MB / 0.5919 GB Notification: Performance of matching and sorting (n=103) (initialization_lambda0): time 0.002306/1.072, allocations: 1.153 MB / 0.8399 GB, free: 1.57 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.69e-05/1.072, allocations: 40.2 kB / 0.8399 GB, free: 1.527 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.087e-06/1.072, allocations: 4 kB / 0.8399 GB, free: 1.523 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005952/1.073, allocations: 149.2 kB / 0.84 GB, free: 1.375 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000746/1.073, allocations: 173.3 kB / 0.8402 GB, free: 1.215 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004449/1.078, allocations: 3.067 MB / 0.8432 GB, free: 13.96 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001124/1.079, allocations: 75.36 kB / 0.8433 GB, free: 13.88 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.021e-05/1.079, allocations: 43.98 kB / 0.8433 GB, free: 13.84 MB / 0.6075 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 6 (y.count,$PRE.y.count,y.T_start,$PRE.y.T_start,$whenCondition1,conPID.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (96): * Single equations (assignments): 92 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.000343/1.079, allocations: 232.8 kB / 0.8435 GB, free: 13.62 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002001/1.08, allocations: 138.2 kB / 0.8437 GB, free: 13.48 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002035/1.082, allocations: 0.8977 MB / 0.8445 GB, free: 12.57 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.433e-05/1.082, allocations: 11.94 kB / 0.8446 GB, free: 12.56 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.144e-06/1.082, allocations: 0 / 0.8446 GB, free: 12.56 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001517/1.083, allocations: 0.8132 MB / 0.8454 GB, free: 11.72 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00366/1.087, allocations: 2.155 MB / 0.8475 GB, free: 9.512 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.831e-06/1.087, allocations: 0 / 0.8475 GB, free: 9.512 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007965/1.088, allocations: 154.1 kB / 0.8476 GB, free: 9.367 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000267/1.088, allocations: 80.89 kB / 0.8477 GB, free: 9.285 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.909e-05/1.088, allocations: 28.05 kB / 0.8477 GB, free: 9.258 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006631/1.089, allocations: 1.2 MB / 0.8489 GB, free: 8.012 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.044e-06/1.089, allocations: 0 / 0.8489 GB, free: 8.012 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002516/1.091, allocations: 1.383 MB / 0.8502 GB, free: 6.602 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005661/1.092, allocations: 283.2 kB / 0.8505 GB, free: 6.305 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001505/1.092, allocations: 19.98 kB / 0.8505 GB, free: 6.285 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006867/1.093, allocations: 39.91 kB / 0.8506 GB, free: 6.246 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001174/1.093, allocations: 48.5 kB / 0.8506 GB, free: 6.199 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.055e-05/1.093, allocations: 23.98 kB / 0.8506 GB, free: 6.176 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.001154/1.094, allocations: 0.7953 MB / 0.8514 GB, free: 5.379 MB / 0.6075 GB Notification: Performance of sort global known variables: time 9.92e-07/1.094, allocations: 0 / 0.8514 GB, free: 5.379 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.001988/1.096, allocations: 0.7885 MB / 0.8522 GB, free: 4.594 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 6 (fan.vol.dynBal.U,fan.vol.dynBal.m,fan.vol.dynBal.mXi[1],fan.filter.s[1],fan.filter.s[2],conPID.I.y) * Number of discrete variables: 3 ($whenCondition1,y.T_start,y.count) * Number of discrete states: 1 (y.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (64): * Single equations (assignments): 60 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0009385/1.097, allocations: 406 kB / 0.8526 GB, free: 4.223 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.003082/1.1, allocations: 1.586 MB / 0.8541 GB, free: 2.645 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 5.04e-06/1.1, allocations: 4 kB / 0.8541 GB, free: 2.641 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0008353/1.101, allocations: 395.7 kB / 0.8545 GB, free: 2.27 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002471/1.103, allocations: 0.6779 MB / 0.8552 GB, free: 1.633 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003879/1.107, allocations: 2.519 MB / 0.8576 GB, free: 15.08 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008045/1.108, allocations: 1.276 MB / 0.8589 GB, free: 13.78 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.001165/1.109, allocations: 327.2 kB / 0.8592 GB, free: 13.45 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002707/1.11, allocations: 103.4 kB / 0.8593 GB, free: 13.35 MB / 0.6231 GB Notification: Performance of SimCode: time 7.12e-07/1.11, allocations: 4 kB / 0.8593 GB, free: 13.35 MB / 0.6231 GB Notification: Performance of Templates: time 0.04735/1.157, allocations: 28.88 MB / 0.8875 GB, free: 0.9258 MB / 0.6387 GB make -j1 -f IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y.makefile (rm -f IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y.pipe ; mkfifo IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y.pipe >> ../files/IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y.sim & ./IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > IDEAS_IDEAS.Fluid.Movers.Examples.ClosedLoop_y.pipe 2>&1)